X-1+3x+5+x+8=12

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Solution for X-1+3x+5+x+8=12 equation:


Simplifying
X + -1 + 3x + 5 + x + 8 = 12

Reorder the terms:
-1 + 5 + 8 + X + 3x + x = 12

Combine like terms: -1 + 5 = 4
4 + 8 + X + 3x + x = 12

Combine like terms: 4 + 8 = 12
12 + X + 3x + x = 12

Combine like terms: 3x + x = 4x
12 + X + 4x = 12

Add '-12' to each side of the equation.
12 + X + -12 + 4x = 12 + -12

Reorder the terms:
12 + -12 + X + 4x = 12 + -12

Combine like terms: 12 + -12 = 0
0 + X + 4x = 12 + -12
X + 4x = 12 + -12

Combine like terms: 12 + -12 = 0
X + 4x = 0

Solving
X + 4x = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-4x' to each side of the equation.
X + 4x + -4x = 0 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 0 + -4x
X = 0 + -4x
Remove the zero:
X = -4x

Simplifying
X = -4x

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